function fblock()
 {
     $m = new FbModel();
     $result = $m->lock();
     if ($result !== false) {
         $this->ajaxSuccess(($status == 1 ? '解锁' : '锁定') . '渠道信息成功!');
     } else {
         $this->ajaxError(($status == 1 ? '解锁' : '锁定') . '渠道信息失败!');
     }
 }